Critical Vulnerability Discovered in Stormshield Network Security

A vulnerability was discovered in Stormshield Network Security on 10 June 2026, allowing attackers to compromise the confidentiality of data. The flaw specifically affects Stormshield’s network security solutions, though no technical details, CVE ID, or affected versions were provided in the notice. The impact is limited to unauthorized access to sensitive information, as explicitly stated. No additional attack vectors, exploitation methods, or mitigation steps were mentioned. The advisory was published by the French government’s CERT (CERT-FR).